140268965 has 8 divisors (see below), whose sum is σ = 168518688. Its totient is φ = 112084560.

The previous prime is 140268943. The next prime is 140268983. The reversal of 140268965 is 569862041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140268965 - 2¹⁸ = 140006821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11471 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (21064836).

Almost surely, 2^140268965 is an apocalyptic number.

It is an amenable number.

140268965 is a deficient number, since it is larger than the sum of its proper divisors (28249723).

140268965 is an equidigital number, since it uses as much as digits as its factorization.

140268965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32659.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 140268965 is about 11843.5199581881. The cubic root of 140268965 is about 519.5817210797.

The spelling of 140268965 in words is "one hundred forty million, two hundred sixty-eight thousand, nine hundred sixty-five".